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<a href="socket__buffer_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* Flow</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright 2023 Akamai Technologies, Inc.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * &quot;License&quot;); you may not use this file except in</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * compliance with the License.  You may obtain a copy</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * of the License at</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *   https://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * Unless required by applicable law or agreed to in</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * writing, software distributed under the License is</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * See the License for the specific language governing</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * permissions and limitations under the License. */</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"></span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">/// @file</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"></span><span class="preprocessor">#include &quot;<a class="code" href="socket__buffer_8hpp.html">flow/net_flow/detail/socket_buffer.hpp</a>&quot;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceflow_1_1net__flow.html">flow::net_flow</a></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span>{</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment">// Implementations.</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"><a class="line" href="classflow_1_1net__flow_1_1Socket__buffer.html#a42d219bb3431496d13b791ef6ef93934">   26</a></span><a class="code hl_function" href="classflow_1_1net__flow_1_1Socket__buffer.html#a42d219bb3431496d13b791ef6ef93934">Socket_buffer::Socket_buffer</a>(<a class="code hl_class" href="classflow_1_1log_1_1Logger.html">log::Logger</a>* logger_ptr, <span class="keywordtype">size_t</span> block_size_hint) :</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span>  log::Log_context(logger_ptr, <a class="code hl_enumeration" href="namespaceflow.html#a3938730ab4b89daf13d027a5f620e7ce">Flow_log_component</a>::S_NET_FLOW),</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span>  m_block_size_hint(block_size_hint),</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span>  m_data_size(0)</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span>{</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span>  <a class="code hl_define" href="log_8hpp.html#affcf2e4c496ce3f42adf981669c623b8">FLOW_LOG_TRACE</a>(<span class="stringliteral">&quot;Socket_buffer [&quot;</span> &lt;&lt; <span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;] created; block_size_hint = [&quot;</span> &lt;&lt; block_size_hint &lt;&lt; <span class="stringliteral">&quot;].&quot;</span>);</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span>}</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="classflow_1_1net__flow_1_1Socket__buffer.html#af21cd24bba62da1d16a8fc4f9b8e37fd">   34</a></span><span class="keywordtype">size_t</span> <a class="code hl_function" href="classflow_1_1net__flow_1_1Socket__buffer.html#af21cd24bba62da1d16a8fc4f9b8e37fd">Socket_buffer::data_size</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a>;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span>}</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"><a class="line" href="classflow_1_1net__flow_1_1Socket__buffer.html#a689b49e578de0a3fe7d376dadf296309">   39</a></span><span class="keywordtype">size_t</span> <a class="code hl_function" href="classflow_1_1net__flow_1_1Socket__buffer.html#a689b49e578de0a3fe7d376dadf296309">Socket_buffer::feed_buf_move</a>(<a class="code hl_typedef" href="namespaceflow_1_1util.html#af09888b3a8feaff209b6625e493bc338">util::Blob</a>* data, <span class="keywordtype">size_t</span> max_data_size)</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>{</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span>  <span class="keyword">using </span><a class="code hl_typedef" href="namespaceflow_1_1util.html#af09888b3a8feaff209b6625e493bc338">util::Blob</a>;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span>  <span class="keyword">using </span>boost::asio::const_buffer;</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span>  <span class="keyword">using </span>boost::asio::buffer;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> orig_data_size = <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a>;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span>  <span class="keywordflow">if</span> (<a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#ac55db5220a1349e3a6fd5d268cd8a2ed">m_block_size_hint</a> == 0)</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>  {</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>    <span class="comment">/* In this mode, we postpone all re-packetizing until -- possibly -- the data are consume*()d.</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment">     * In other words, since we have advertised we will clear any data that we append to *this from</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment">     * *data, we can simply create a new buffer in m_q, and move (constant-time operation) *data</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment">     * into that buffer.  Only case where we cannot do that is if that would exceed max_data_size</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment">     * data_size(); in that case we have to move only part of *data and therefore will have to copy. */</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span>    <span class="keywordflow">if</span> (data-&gt;empty() || (<a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a> &gt;= max_data_size))</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>    {</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>      <span class="keywordflow">return</span> 0; <span class="comment">// Get rid of these pathological cases right away.</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>    }</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>    <span class="keyword">const</span> <span class="keywordtype">size_t</span> target_space_left = max_data_size - <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a>; <span class="comment">// At least 1 (byte).</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>    <span class="keyword">const</span> <span class="keywordtype">size_t</span> src_data_size = data-&gt;size();</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>    assert(src_data_size &gt; 0);</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>    <span class="keywordflow">if</span> (target_space_left &lt; src_data_size)</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>    {</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>      <span class="comment">// Unfortunately we&#39;ll have to move only part of *data; so we&#39;ll have to do a linear-time thing.</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>      <a class="code hl_typedef" href="namespaceflow_1_1util.html#af09888b3a8feaff209b6625e493bc338">Blob</a>* bytes = <span class="keyword">new</span> <a class="code hl_typedef" href="namespaceflow_1_1util.html#af09888b3a8feaff209b6625e493bc338">Blob</a>(<a class="code hl_function" href="classflow_1_1log_1_1Log__context.html#af4db395042b065b00398cd59845dcb4d">get_logger</a>());</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>      <span class="comment">// (All operations are max-performance:)  Allocate N bytes; copy N bytes: (*data)[0, 1, ...].</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>      bytes-&gt;assign_copy(const_buffer(data-&gt;const_data(), target_space_left));</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>      data-&gt;erase(data-&gt;begin(), data-&gt;begin() + target_space_left);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>      <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#ab9d0faeeb2a8d1058b24319e8a14e52a">m_q</a>.push_back(<a class="code hl_typedef" href="classflow_1_1net__flow_1_1Socket__buffer.html#ac702b3fcb36a2aed9d129b1255dcfdbc">Blob_ptr</a>(bytes));</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>      <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a> = max_data_size;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>    }</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>    {</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>      <span class="comment">// Enough space for all of *data -- so just use a constant-time swap.</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>      <a class="code hl_typedef" href="classflow_1_1net__flow_1_1Socket__buffer.html#ac702b3fcb36a2aed9d129b1255dcfdbc">Blob_ptr</a> bytes_ptr(<span class="keyword">new</span> <a class="code hl_typedef" href="namespaceflow_1_1util.html#af09888b3a8feaff209b6625e493bc338">Blob</a>(std::move(*data))); <span class="comment">// Move inner representation of *data into *bytes_ptr.</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>      <span class="comment">// *data empty now.</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>      <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#ab9d0faeeb2a8d1058b24319e8a14e52a">m_q</a>.push_back(bytes_ptr);</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>      <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a> += src_data_size;</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>    }</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>    <a class="code hl_define" href="log_8hpp.html#affcf2e4c496ce3f42adf981669c623b8">FLOW_LOG_TRACE</a>(<span class="stringliteral">&quot;Socket_buffer/rcv [&quot;</span> &lt;&lt; <span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: data_size [&quot;</span> &lt;&lt; <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a> &lt;&lt; <span class="stringliteral">&quot;]; &quot;</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>                   <span class="stringliteral">&quot;buf_count [&quot;</span> &lt;&lt; <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#ab9d0faeeb2a8d1058b24319e8a14e52a">m_q</a>.size() &lt;&lt; <span class="stringliteral">&quot;]; fast-fed (if not truncated) buffer &quot;</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>                   <span class="stringliteral">&quot;original/truncated size = [&quot;</span> &lt;&lt; src_data_size &lt;&lt; <span class="charliteral">&#39;/&#39;</span> &lt;&lt; <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#ab9d0faeeb2a8d1058b24319e8a14e52a">m_q</a>.back()-&gt;size() &lt;&lt; <span class="stringliteral">&quot;].&quot;</span>);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>    <span class="comment">// Very verbose and CPU-intensive!</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>    <a class="code hl_define" href="log_8hpp.html#a07561c1c3f16b6c2c7335a09e25298c9">FLOW_LOG_DATA</a>(<span class="stringliteral">&quot;Buffer data [&quot;</span> &lt;&lt; <a class="code hl_function" href="namespaceflow_1_1util.html#a16357344c21456b86b7de3085e2661a2">util::buffers_dump_string</a>(<a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#ab9d0faeeb2a8d1058b24319e8a14e52a">m_q</a>.back()-&gt;const_buffer(), <span class="stringliteral">&quot;&quot;</span>, <span class="keywordtype">size_t</span>(-1)) &lt;&lt; <span class="stringliteral">&quot;].&quot;</span>);</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>  }</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>  <span class="keywordflow">else</span> <span class="comment">// if (m_block_size_hint != 0)</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>  {</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>    <span class="comment">/* This is basically a special case of feed_bufs_copy() but with only one buffer in the buffer</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment">     * sequence and with the copied data then removed from that source buffer.  This is the unlikely method to be</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment">     * used anyway, but we provide it for completeness. */</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>    <span class="keyword">const</span> <span class="keywordtype">size_t</span> num_copied = <a class="code hl_function" href="classflow_1_1net__flow_1_1Socket__buffer.html#a69a0c514df820c36e7109fb1fcf78522">feed_bufs_copy</a>(buffer(data-&gt;const_data(), data-&gt;size()), max_data_size);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>    data-&gt;erase(data-&gt;begin(), data-&gt;begin() + num_copied);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>  }</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a> - orig_data_size;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>} <span class="comment">// Socket_buffer::feed_buf_move()</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"><a class="line" href="classflow_1_1net__flow_1_1Socket__buffer.html#a8fe3fe5f6a33cfd8fb84eb2607fbc05b">  103</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1net__flow_1_1Socket__buffer.html#a8fe3fe5f6a33cfd8fb84eb2607fbc05b">Socket_buffer::consume_buf_move</a>(<a class="code hl_typedef" href="namespaceflow_1_1util.html#af09888b3a8feaff209b6625e493bc338">util::Blob</a>* target_buf, <span class="keywordtype">size_t</span> max_data_size)</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>{</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>  <span class="keyword">using </span><a class="code hl_typedef" href="namespaceflow_1_1util.html#af09888b3a8feaff209b6625e493bc338">util::Blob</a>;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>  <span class="keywordflow">if</span> (<a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a> == 0)</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>  {</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>    target_buf-&gt;clear(); <span class="comment">// Pathological case.</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>    <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>  }</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>  <span class="comment">// else</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>  <span class="comment">/* This is the use case for which m_block_size_hint != 0 attempts to optimize.  Since when feed*() is</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment">   * called in that mode, we always maintain the invariant that the m_q contains blocks of</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment">   * exactly m_block_size_hint bytes, except for the last block.  And if one only ever calls</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment">   * consume_buf_move() with max_data_size == m_block_size_hint, then that invariant is always maintained.</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="comment">   * Therefore, the following if condition will always hold, which will enable us to perform</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment">   * an O(1) operation. */</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>  <a class="code hl_typedef" href="namespaceflow_1_1util.html#af09888b3a8feaff209b6625e493bc338">Blob</a>&amp; front_buf = *<a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#ab9d0faeeb2a8d1058b24319e8a14e52a">m_q</a>.front();</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> front_buf_size = front_buf.size();</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>  <span class="keywordflow">if</span> ((front_buf_size == max_data_size)</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>      || ((front_buf_size &lt; max_data_size) &amp;&amp; (<a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#ab9d0faeeb2a8d1058b24319e8a14e52a">m_q</a>.size() == 1)))</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>  {</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>    <span class="comment">// Either the first block is perfectly sized, or it fits AND is the only one in the sequence.</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span> </div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>    *target_buf = std::move(front_buf); <span class="comment">// Constant-time operation (swap internal buffer representations).</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>    <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#ab9d0faeeb2a8d1058b24319e8a14e52a">m_q</a>.pop_front();</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>    <span class="comment">// Whatever they had in *target_buf is junk.  Deleted!</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>    <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a> -= target_buf-&gt;size();</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span> </div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>    <a class="code hl_define" href="log_8hpp.html#affcf2e4c496ce3f42adf981669c623b8">FLOW_LOG_TRACE</a>(<span class="stringliteral">&quot;Socket_buffer [&quot;</span> &lt;&lt; <span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: data_size [&quot;</span> &lt;&lt; <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a> &lt;&lt; <span class="stringliteral">&quot;]; &quot;</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>                   <span class="stringliteral">&quot;buf_count [&quot;</span> &lt;&lt; <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#ab9d0faeeb2a8d1058b24319e8a14e52a">m_q</a>.size() &lt;&lt; <span class="stringliteral">&quot;]; fast-consumed buffer of size [&quot;</span> &lt;&lt; front_buf_size &lt;&lt; <span class="stringliteral">&quot;].&quot;</span>);</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>    <span class="comment">// Very verbose and CPU-intensive!</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>    <a class="code hl_define" href="log_8hpp.html#a07561c1c3f16b6c2c7335a09e25298c9">FLOW_LOG_DATA</a>(<span class="stringliteral">&quot;Buffer data [&quot;</span> &lt;&lt; <a class="code hl_function" href="namespaceflow_1_1util.html#a16357344c21456b86b7de3085e2661a2">util::buffers_dump_string</a>(target_buf-&gt;const_buffer(), <span class="stringliteral">&quot;&quot;</span>, <span class="keywordtype">size_t</span>(-1)) &lt;&lt; <span class="stringliteral">&quot;].&quot;</span>);</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>  }</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>  <span class="keywordflow">else</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>  {</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>    <span class="keyword">using </span>boost::asio::buffer;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>    <span class="comment">/* Either the front buffer is too big for max_data_size and thus has to be split up (left part</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment">     * moves, right part stays); or the front buffer is smaller than max_data_size, and there are more</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="comment">     * data in the following buffers, so we can only optimize the copying of the front buffer but not</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment">     * later.  Thus the use case above must not be in effect, and we can just use the general</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment">     * consume_bufs_copy to copy/erase stuff in O(n) time. */</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span> </div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>    <span class="comment">// consume_bufs_copy() uses Boost buffer semantics: size() of vector indicates max # bytes.</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>    <span class="keywordflow">if</span> ((!target_buf-&gt;zero()) &amp;&amp; (target_buf-&gt;capacity() &lt; max_data_size))</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>    {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>      <span class="comment">// *target_buf must be enlarged; but to enlarge it we must explicitly deallocate it first.</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>      target_buf-&gt;make_zero();</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>    }</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>    target_buf-&gt;resize(max_data_size);</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span> </div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>    <span class="comment">// Move up to max_data_size bytes into *target_buf.</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>    <span class="keyword">const</span> <span class="keywordtype">size_t</span> num_copied = <a class="code hl_function" href="classflow_1_1net__flow_1_1Socket__buffer.html#af60133c1d6825246b54f10f26810cd88">consume_bufs_copy</a>(buffer(target_buf-&gt;data(), target_buf-&gt;size()));</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>    <span class="comment">// As advertised, fit the vector to the bytes placed (keep size() same or decrease it).</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>    target_buf-&gt;resize(num_copied);</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>  }</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>} <span class="comment">// Socket_buffer::consume_buf_move()</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"><a class="line" href="classflow_1_1net__flow_1_1Socket__buffer.html#ac1fc9d1883bb8e6a1e28a6b7e30d90e4">  165</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classflow_1_1net__flow_1_1Socket__buffer.html#ac1fc9d1883bb8e6a1e28a6b7e30d90e4">Socket_buffer::empty</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>  <span class="keywordflow">return</span> <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a> == 0;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>}</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"><a class="line" href="classflow_1_1net__flow_1_1Socket__buffer.html#a38eab6dca9f302d7e280de72dfe62c17">  170</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classflow_1_1net__flow_1_1Socket__buffer.html#a38eab6dca9f302d7e280de72dfe62c17">Socket_buffer::clear</a>()</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>{</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>  <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#ab9d0faeeb2a8d1058b24319e8a14e52a">m_q</a>.clear();</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>  <a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">m_data_size</a> = 0;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>}</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span> </div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"><a class="line" href="classflow_1_1net__flow_1_1Socket__buffer.html#aea121167c0d24fe6d493db2717c71a22">  176</a></span>std::ostream&amp; <a class="code hl_function" href="namespaceflow_1_1net__flow.html#ab9f537c84f77e9b8fa742fc5dc6d5693">operator&lt;&lt;</a>(std::ostream&amp; os, <span class="keyword">const</span> <a class="code hl_class" href="classflow_1_1net__flow_1_1Socket__buffer.html">Socket_buffer</a>&amp; sock_buf)</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>{</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; buf_ptr : sock_buf.<a class="code hl_variable" href="classflow_1_1net__flow_1_1Socket__buffer.html#ab9d0faeeb2a8d1058b24319e8a14e52a">m_q</a>)</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>  {</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>    <span class="comment">// Serialization of block will contain no newlines or unprintable characters.</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>    os &lt;&lt; <span class="charliteral">&#39;[&#39;</span> &lt;&lt; <a class="code hl_function" href="namespaceflow_1_1util.html#a16357344c21456b86b7de3085e2661a2">util::buffers_dump_string</a>(buf_ptr-&gt;const_buffer(), <span class="stringliteral">&quot;&quot;</span>, <span class="keywordtype">size_t</span>(-1)) &lt;&lt; <span class="stringliteral">&quot;]\n&quot;</span>;</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>  }</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>  <span class="keywordflow">return</span> os;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>}</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>} <span class="comment">// namespace flow::net_flow</span></div>
<div class="ttc" id="aclassflow_1_1log_1_1Log__context_html_af4db395042b065b00398cd59845dcb4d"><div class="ttname"><a href="classflow_1_1log_1_1Log__context.html#af4db395042b065b00398cd59845dcb4d">flow::log::Log_context::get_logger</a></div><div class="ttdeci">Logger * get_logger() const</div><div class="ttdoc">Returns the stored Logger pointer, particularly as many FLOW_LOG_*() macros expect.</div><div class="ttdef"><b>Definition:</b> <a href="log_8cpp_source.html#l00217">log.cpp:217</a></div></div>
<div class="ttc" id="aclassflow_1_1log_1_1Logger_html"><div class="ttname"><a href="classflow_1_1log_1_1Logger.html">flow::log::Logger</a></div><div class="ttdoc">Interface that the user should implement, passing the implementing Logger into logging classes (Flow'...</div><div class="ttdef"><b>Definition:</b> <a href="log_8hpp_source.html#l01280">log.hpp:1284</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html">flow::net_flow::Socket_buffer</a></div><div class="ttdoc">Internal net_flow class that implements a socket buffer, as used by Peer_socket for Send and Receive ...</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8hpp_source.html#l00095">socket_buffer.hpp:98</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html_a1cb77c80c42fd6b6ac86df5052f552ea"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html#a1cb77c80c42fd6b6ac86df5052f552ea">flow::net_flow::Socket_buffer::m_data_size</a></div><div class="ttdeci">size_t m_data_size</div><div class="ttdoc">The total amount of data stored, in bytes, stored in this object.</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8hpp_source.html#l00387">socket_buffer.hpp:387</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html_a38eab6dca9f302d7e280de72dfe62c17"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html#a38eab6dca9f302d7e280de72dfe62c17">flow::net_flow::Socket_buffer::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Destroys all stored data.</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8cpp_source.html#l00170">socket_buffer.cpp:170</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html_a42d219bb3431496d13b791ef6ef93934"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html#a42d219bb3431496d13b791ef6ef93934">flow::net_flow::Socket_buffer::Socket_buffer</a></div><div class="ttdeci">Socket_buffer(log::Logger *logger_ptr, size_t block_size_hint)</div><div class="ttdoc">Initialize empty buffer.</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8cpp_source.html#l00026">socket_buffer.cpp:26</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html_a689b49e578de0a3fe7d376dadf296309"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html#a689b49e578de0a3fe7d376dadf296309">flow::net_flow::Socket_buffer::feed_buf_move</a></div><div class="ttdeci">size_t feed_buf_move(util::Blob *data, size_t max_data_size)</div><div class="ttdoc">Feeds (adds to the back of the byte buffer) the byte sequence equal to the given byte sequence *data,...</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8cpp_source.html#l00039">socket_buffer.cpp:39</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html_a69a0c514df820c36e7109fb1fcf78522"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html#a69a0c514df820c36e7109fb1fcf78522">flow::net_flow::Socket_buffer::feed_bufs_copy</a></div><div class="ttdeci">size_t feed_bufs_copy(const Const_buffer_sequence &amp;data, size_t max_data_size)</div><div class="ttdoc">Feeds (adds to the back of the byte buffer) the contents of the byte stream composed of the bytes in ...</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8hpp_source.html#l00395">socket_buffer.hpp:395</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html_a8fe3fe5f6a33cfd8fb84eb2607fbc05b"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html#a8fe3fe5f6a33cfd8fb84eb2607fbc05b">flow::net_flow::Socket_buffer::consume_buf_move</a></div><div class="ttdeci">void consume_buf_move(util::Blob *target_buf, size_t max_data_size)</div><div class="ttdoc">Consumes (removes from the front of the internal byte buffer and returns them to the caller) a byte s...</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8cpp_source.html#l00103">socket_buffer.cpp:103</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html_ab9d0faeeb2a8d1058b24319e8a14e52a"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html#ab9d0faeeb2a8d1058b24319e8a14e52a">flow::net_flow::Socket_buffer::m_q</a></div><div class="ttdeci">Queue m_q</div><div class="ttdoc">The data in the buffer.</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8hpp_source.html#l00379">socket_buffer.hpp:379</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html_ac1fc9d1883bb8e6a1e28a6b7e30d90e4"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html#ac1fc9d1883bb8e6a1e28a6b7e30d90e4">flow::net_flow::Socket_buffer::empty</a></div><div class="ttdeci">bool empty() const</div><div class="ttdoc">Returns true if and only if data_size() == 0.</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8cpp_source.html#l00165">socket_buffer.cpp:165</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html_ac55db5220a1349e3a6fd5d268cd8a2ed"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html#ac55db5220a1349e3a6fd5d268cd8a2ed">flow::net_flow::Socket_buffer::m_block_size_hint</a></div><div class="ttdeci">const size_t m_block_size_hint</div><div class="ttdoc">The max_data_size argument value that the user is predicting to use when calling consume_buf_move(); ...</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8hpp_source.html#l00356">socket_buffer.hpp:356</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html_ac702b3fcb36a2aed9d129b1255dcfdbc"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html#ac702b3fcb36a2aed9d129b1255dcfdbc">flow::net_flow::Socket_buffer::Blob_ptr</a></div><div class="ttdeci">boost::shared_ptr&lt; util::Blob &gt; Blob_ptr</div><div class="ttdoc">Short-hand for byte sequence on the heap. (Using ref-counted pointer purely for convenience....</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8hpp_source.html#l00244">socket_buffer.hpp:244</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html_af21cd24bba62da1d16a8fc4f9b8e37fd"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html#af21cd24bba62da1d16a8fc4f9b8e37fd">flow::net_flow::Socket_buffer::data_size</a></div><div class="ttdeci">size_t data_size() const</div><div class="ttdoc">The total number of bytes of application-layer data stored in this object.</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8cpp_source.html#l00034">socket_buffer.cpp:34</a></div></div>
<div class="ttc" id="aclassflow_1_1net__flow_1_1Socket__buffer_html_af60133c1d6825246b54f10f26810cd88"><div class="ttname"><a href="classflow_1_1net__flow_1_1Socket__buffer.html#af60133c1d6825246b54f10f26810cd88">flow::net_flow::Socket_buffer::consume_bufs_copy</a></div><div class="ttdeci">size_t consume_bufs_copy(const Mutable_buffer_sequence &amp;target_bufs)</div><div class="ttdoc">Consumes (removes from the front of the internal byte buffer and returns them to the caller) a byte s...</div><div class="ttdef"><b>Definition:</b> <a href="socket__buffer_8hpp_source.html#l00548">socket_buffer.hpp:548</a></div></div>
<div class="ttc" id="alog_8hpp_html_a07561c1c3f16b6c2c7335a09e25298c9"><div class="ttname"><a href="log_8hpp.html#a07561c1c3f16b6c2c7335a09e25298c9">FLOW_LOG_DATA</a></div><div class="ttdeci">#define FLOW_LOG_DATA(ARG_stream_fragment)</div><div class="ttdoc">Logs a DATA message into flow::log::Logger *get_logger() with flow::log::Component get_log_component(...</div><div class="ttdef"><b>Definition:</b> <a href="log_8hpp_source.html#l00242">log.hpp:242</a></div></div>
<div class="ttc" id="alog_8hpp_html_affcf2e4c496ce3f42adf981669c623b8"><div class="ttname"><a href="log_8hpp.html#affcf2e4c496ce3f42adf981669c623b8">FLOW_LOG_TRACE</a></div><div class="ttdeci">#define FLOW_LOG_TRACE(ARG_stream_fragment)</div><div class="ttdoc">Logs a TRACE message into flow::log::Logger *get_logger() with flow::log::Component get_log_component...</div><div class="ttdef"><b>Definition:</b> <a href="log_8hpp_source.html#l00227">log.hpp:227</a></div></div>
<div class="ttc" id="anamespaceflow_1_1net__flow_html"><div class="ttname"><a href="namespaceflow_1_1net__flow.html">flow::net_flow</a></div><div class="ttdoc">Flow module containing the API and implementation of the Flow network protocol, a TCP-inspired stream...</div><div class="ttdef"><b>Definition:</b> <a href="asio_2node_8cpp_source.html#l00024">node.cpp:25</a></div></div>
<div class="ttc" id="anamespaceflow_1_1net__flow_html_ab9f537c84f77e9b8fa742fc5dc6d5693"><div class="ttname"><a href="namespaceflow_1_1net__flow.html#ab9f537c84f77e9b8fa742fc5dc6d5693">flow::net_flow::operator&lt;&lt;</a></div><div class="ttdeci">std::ostream &amp; operator&lt;&lt;(std::ostream &amp;os, const Congestion_control_selector::Strategy_choice &amp;strategy_choice)</div><div class="ttdoc">Serializes a Peer_socket_options::Congestion_control_strategy_choice enum to a standard ostream – the...</div><div class="ttdef"><b>Definition:</b> <a href="cong__ctl_8cpp_source.html#l00146">cong_ctl.cpp:146</a></div></div>
<div class="ttc" id="anamespaceflow_1_1util_html_a16357344c21456b86b7de3085e2661a2"><div class="ttname"><a href="namespaceflow_1_1util.html#a16357344c21456b86b7de3085e2661a2">flow::util::buffers_dump_string</a></div><div class="ttdeci">std::string buffers_dump_string(const Const_buffer_sequence &amp;data, const std::string &amp;indentation, size_t bytes_per_line)</div><div class="ttdoc">Identical to buffers_to_ostream() but returns an std::string instead of writing to a given ostream.</div><div class="ttdef"><b>Definition:</b> <a href="util_2util_8hpp_source.html#l00506">util.hpp:506</a></div></div>
<div class="ttc" id="anamespaceflow_1_1util_html_af09888b3a8feaff209b6625e493bc338"><div class="ttname"><a href="namespaceflow_1_1util.html#af09888b3a8feaff209b6625e493bc338">flow::util::Blob</a></div><div class="ttdeci">Blob_with_log_context&lt;&gt; Blob</div><div class="ttdoc">A concrete Blob_with_log_context that compile-time-disables Basic_blob::share() and the sharing API d...</div><div class="ttdef"><b>Definition:</b> <a href="blob__fwd_8hpp_source.html#l00060">blob_fwd.hpp:60</a></div></div>
<div class="ttc" id="anamespaceflow_html_a3938730ab4b89daf13d027a5f620e7ce"><div class="ttname"><a href="namespaceflow.html#a3938730ab4b89daf13d027a5f620e7ce">flow::Flow_log_component</a></div><div class="ttdeci">Flow_log_component</div><div class="ttdoc">The flow::log::Component payload enumeration comprising various log components used by Flow's own int...</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00637">common.hpp:638</a></div></div>
<div class="ttc" id="asocket__buffer_8hpp_html"><div class="ttname"><a href="socket__buffer_8hpp.html">socket_buffer.hpp</a></div></div>
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